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ICLEI USA Members
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From a handful of cities participating in a pilot project in the early 1990s to more than 550 local governments today, ICLEI USA’s member network continues to lead a national movement towards advancing climate protection and sustainability. They bring unprecedented experience, leadership, and ability to create solutions to a global problem.
Who are ICLEI USA members?
- ICLEI USA members are small rural towns and bustling metropolises.
- They represent coastal regions and inland areas, stretching from the Atlantic to the Pacific and everything in between.
- They drive progress and innovation in 49 states.
- Their populations range in size from 832 people in Cimarron, New Mexico, to more than 8 million in New York City.
- They consistently top the rankings of the Greenest Cities.
- They have led the effort in recent years to envision, accelerate and achieve strong climate protection goals, creating cleaner, healthier, more economically viable communities.
ICLEI members are informing and inspiring a global dialogue of what is possible and necessary. They are working together, driving innovation, and providing powerful leadership and direction.
Becoming an ICLEI member is more than signing a piece of paper or paying annual dues – it’s about joining a committed network of local governments from across the country and around the world holding each other accountable to take action on climate protection. It is sharing successes, overcoming challenges, and creating vibrant, sustainable communities together.
Questions about ICLEI membership? Contact us.

